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https://issues.apache.org/jira/browse/MATH-646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sébastien Brisard updated MATH-646:
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Attachment: MATH-646.patch
Here is a new patch taking into account your comments. I didn't know about
putting several classes into the same {{*.java}} file. The problem is you
cannot make {{UnmodifiableRealVector}} private. I therefore resorted to a
nested class. Hope the file does not get to cluttered.
Unmodifiable views of RealVector
Key: MATH-646
URL: https://issues.apache.org/jira/browse/MATH-646
Project: Commons Math
Issue Type: New Feature
Affects Versions: 3.0
Reporter: Sébastien Brisard
Labels: linear, vector
Attachments: MATH-646.patch, MATH-646.patch
The issue has been discussed on the [mailing
list|http://mail-archives.apache.org/mod_mbox/commons-dev/201108.mbox/CAGRH7HqxUb2y1HmFt9VJ-kxsXwipk_MdO0D=rnuazmgpnot...@mail.gmail.com].
Please find attached a proposal for a new class {{UnmodifiableRealVector}}.
I chose not to nest it in {{AbstractRealVector}} because it would make the
corresponding file huge. Therefore, {{UnmodifiableRealVector}} is {{final}}.
Maybe you'd like it to be {{private}} as well? A static method is provided in
{{AbstractRealVector}} to build an {{UnmodifiableRealVector}} from any
{{RealVector}}.
Tests are also provided. Since iterating through different implementations of
{{RealVector}} is actually different, a test is provided for
{{UnmodifiableRealVector}} built on {{ArrayRealVector}} and
{{OpenMapRealVector}}. These tests both derive from the same abstract test
class. Hope everything works fine.
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